The Role of the Fascia-Only Anterolateral Thigh Flap in Extremity Reconstruction

Abstract

Background Free flap selection in extremity reconstruction can be challenging. The ideal flap has to be thin and pliable to achieve optimal contour and function. We explore the role of the fascia-only anterolateral thigh (fALT) flap in extremity reconstruction. Methods We conducted a retrospective review of our experience using fALT-free flap for extremity reconstruction over a 2-year period. Patient demographics, mechanism of injury, flap characteristics, complications- and follow-up were recorded. Descriptive statistics were calculated. Results Twelve patients were included. The median (interquartile range [IQR]) age was 34 (28–52) years. One fALT flap was used for upper extremity reconstruction, while 11 flaps were used for lower extremity reconstruction (4 for lower third of the leg, 4 for dorsum of foot, and 3 for heel). The median (IQR) flap surface area was 90 (63–120) cm2 and time from injury to reconstruction was 10 (6–16) days. The postoperative course was uneventful for all flaps except for 1 flap failure and 1 delayed healing. The median (IQR) follow-up was 2 (1–4) months. In all cases, durable soft tissue reconstruction was achieved with no need for revisions. Conclusions The fALT-free flap can be successfully used in extremity reconstruction. The ALT fascia has robust perfusion that allows for the harvest of a large flap that can be surfaced with a split thickness skin graft. Its thin pliable tissue provides excellent contour for the hand, distal leg, and foot that does not require future thinning, optimizing the cosmetic and functional result.